emigrate
v.
1778, a back-formation from emigration, or else from Latin emigratus, past participle of emigrare "move away." In 19c. U.S., "to remove from one state to another state or territory." Related: Emigrated; emigrating.
〔李〕[e-(ex-);migr;-atev.] v.永久移居国外 ←migr (L migrare,migrature)=to wander or move 迁徙
〔蒋〕[e-外，出，migr迁移，-ate动词后缀] 移出，永久移居外国